South African Manufacturer · Hydraulic-Magnetic CB · Telecom DC · IEC MCB · Astute Smart · Made in South Africa
CBi-electric: low voltage is a South African manufacturer (Johannesburg, since 1949) and part of the Reunert Limited group, a global pioneer of hydraulic-magnetic circuit breaker technology. The product range spans QY series hydraulic-magnetic breakers for telecom and rail OEM applications, IEC thermal-magnetic MCBs (AS / AF), earth-leakage devices (ELS / ELP), the Astute connected smart breaker family, surge protection (WHC / SPD) and photovoltaic DC breakers. 278+ references are listed in the active catalogue; IEC, UL, CSA and CE certified.
IMB Electric supplies the CBi-electric range — telecom DC breakers, industrial hydraulic-magnetic protection, IEC MCBs, RCD/RCBO, Astute smart breakers, SPD and PV DC breakers — to the Turkish market with technical support and fast delivery. Pricing, stock and datasheets can be requested for every code listed below.
PRODUCT FAMILIES
66 CODESTelecom, rail, marine and defence — 0.1–100 A, 1P–4P, ambient-independent tripping, multiple delay curves.
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79 CODESIEC 60898 thermal-magnetic MCB — 6–63 A, 1P / 1P+N / 2P / 3P / 4P, B/C/D curves, 6 kA / 10 kA breaking capacity.
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38 CODESELS 2P/4P RCD, ELP RCBO, MEL motor leakage relay — 30/100/300 mA, AC / A / B-type DC-sensitive versions.
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26 CODESBluetooth / sub-GHz smart circuit breaker — remote on-off, energy monitoring, RCBO combo (VYP); gateway integration.
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17 CODESWHC whole-house, Type 1 / 2 / 3 industrial SPD; replaceable module, remote alarm; 12.5–50 kA surge capacity.
View codes01 · CBI-ELECTRIC
CBi's flagship hydraulic-magnetic CB family — telecom, rail, defence, marine and industrial OEM applications. 0.1 A to 100 A DC and AC versions, 1P/2P/3P/4P, ambient-independent tripping, operating temperature −40 °C / +85 °C. Multiple delay curves (calibrations 1–8).
34 CODES
02 · CBI-ELECTRIC
QP high breaking capacity (10 kA @ 240 V AC, 6 kA @ 60 V DC) — main protection and distribution boards. QF compact OEM version with screw or quick-connect terminals. 0.5 A – 150 A, 1P–4P, optional auxiliary contact and alarm switch.
32 CODES
03 · CBI-ELECTRIC
IEC/EN 60898-1 compliant standard thermal-magnetic miniature circuit breakers — residential, commercial and light industrial. 6 kA (AS) and 10 kA (AF) breaking capacity. B curve (cable protection), C curve (general purpose), D curve (high inrush). 6–63 A, 1P / 1P+N / 2P / 3P / 4P.
79 CODES
04 · CBI-ELECTRIC
Residual current devices for personal and fire protection — 30 mA, 100 mA, 300 mA trip current options. ELS standard RCD (2P / 4P, 25–63 A), ELP RCBO (overload + leakage combo), MEL motor earth-leakage relay. AC, A and B (DC-sensitive) types. IEC/EN 61008 and 61009 compliant.
38 CODES
05 · CBI-ELECTRIC
CBi's smart circuit breaker solution — embedded Bluetooth / sub-GHz comms, real-time current/voltage metering, remote on-off, energy monitoring. VYN single-phase and VYP combo (RCBO + smart) versions. Astute Lite compact variant; integrates with mobile app and gateway. Building automation and energy management.
26 CODES
06 · CBI-ELECTRIC
Protection against lightning and grid-borne transients — WHC30 (whole house, 30 kA), WHC60 (60 kA) residential solutions. Type 1 (main entry, 12.5 kA 10/350 µs), Type 2 (distribution, 20–40 kA 8/20 µs), Type 3 (end-point) industrial SPD families. Replaceable module, remote alarm contact.
17 CODES
07 · CBI-ELECTRIC
DC breakers for solar PV string, combiner, inverter DC input and battery energy storage (BESS) — 250 / 600 / 1000 / 1500 V DC classes, polarity-independent hydraulic-magnetic tripping, 2P / 3P / 4P series-pole configuration. Built on CBi's telecom DC heritage.
25 CODES
08 · CBI-ELECTRIC
On-load disconnection and source switching — BG/BGD modular isolator (25–125 A, 2P/3P/4P), COS manual changeover (mains / generator), locking accessories. Building distribution, generator panels and solar systems.
27 CODES
APPLICATION AREAS
QY hydraulic-magnetic DC breakers — −48 V / −60 V telecom DC distribution, base stations, BBU, data centre rectifier and battery rack protection; temperature-independent tripping delivers long-life, calibration-stable protection.
1000 / 1500 V DC photovoltaic breakers, combiner and inverter DC input protection; polarity-independent hydraulic-magnetic technology for BESS battery room main breaker and string combiner points.
AS/AF IEC MCB + ELS/ELP RCD/RCBO for classic distribution boards. Astute (VYN/VYP) smart breakers for next-gen projects requiring building automation, energy management and remote control — cloud integration via Bluetooth / gateway.
We supply every QY, QP, AS/AF, ELS/ELP, Astute, WHC/SPD and DC breaker reference in the CBi catalogue. Send us the code and quantity — we respond with stock and pricing within 24 hours.
